单选题：What does increased production of full-sun coffee bring abou

题目内容：

What does increased production of full-sun coffee bring about? A．more insects
B．better quality coffee
C．larger farms
D．higher profits

参考答案：

答案解析：

Albert Einstein's theory of relativity helps to prove _____

Albert Einstein's theory of relativity helps to prove __________.A．the creation

分类：理工类题型：单选题

请根据短文内容，回答题。Black Holes(1) Black holes can be best described as a sort of vacuum

分类：理工类题型：单选题

维生素D缺乏性佝偻病激期的主要临床表现都是A．骨骼系统改变 B．枕秃 C．睡眠不安，易惊 D．肌肉松弛 E．多汗、低热

分类：理工类题型：单选题

Paragraph 3__________A．Expectation of the discovery B．The problem of current com

分类：理工类题型：单选题

维生素D最主要的来源是A．维生素D制剂 B．鸡蛋 C．牛奶 D．光照皮肤合成 E．蔬菜

分类：理工类题型：单选题